Norwalk vs Santa Monica
How do retaining walls rules compare between Norwalk, CA and Santa Monica, CA?
Norwalk and Santa Monica have similar restriction levels.
Norwalk, CA
Los Angeles County
Norwalk requires permits for retaining walls above a certain height, typically 4 feet. Engineering review may be required for taller walls.
View full Norwalk rules →Santa Monica, CA
Los Angeles County
Retaining walls in Santa Monica over 4 ft in Seismic Design Category D, E, or F cannot be constructed of wood. Fence height on top of retaining walls is measured from lowest grade within 3-ft radius. Engineering required for significant walls.
View full Santa Monica rules →Key Facts Comparison
| Fact | Norwalk | Santa Monica |
|---|---|---|
| Permit Free | Up to 4 feet typically | - |
| Engineering | Required over 4 feet | Required for significant walls |
| Setbacks | Apply near property lines | - |
| Drainage | Must be addressed | - |
| Wood Prohibited | - | SDC D/E/F over 4 ft |
| Height Measurement | - | From lowest grade within 3 ft |
| Seismic | - | AWPA U1 treatment required |
Highlighted rows indicate differences between cities.
Norwalk FAQ
Do I need a permit for a retaining wall?
In Norwalk, walls over 4 feet typically require a building permit and engineered plans. Shorter walls may be exempt.
How close to the property line can I build a retaining wall?
Setback requirements vary. Check Norwalk zoning code for specific distances from property lines.
Santa Monica FAQ
Do I need a permit for a retaining wall?
In Santa Monica, walls over 4 feet typically require a building permit and engineered plans. Shorter walls may be exempt.
How close to the property line can I build a retaining wall?
Setback requirements vary. Check Santa Monica zoning code for specific distances from property lines.
Compare other topics
See how Norwalk and Santa Monica compare on other ordinance categories.
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